If a function ‘f’ is defined on R by

f (x) = 1 for x a rational number

= - 1 for x an irrational number, then

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#Question id: 27050

#Section 4: Fundamentals of Biological Engineering

In a process, two feed streams are there and one output stream. The feed streams have the feed rates as 500 kg/sec and 600 kg/sec. If the output stream rate is 800 kg/s, what is the mass stored in the chamber in five seconds?

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#Question id: 27051

#Section 4: Fundamentals of Biological Engineering

For the given drying process, a material (Called SRU) is dried and feed and outputs are as shown in the figure.

A, in kg is  

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#Question id: 27052

#Section 4: Fundamentals of Biological Engineering

A membrane is used for separation of gases from waste. If the feed stream contains 20% CO2 and 80% SO2 and the product contains 25% CO2 and 75% SO2. Assume that the waste stream amounts to 80% of the input stream. What is the composition of CO2 in waste stream?

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#Question id: 27053

#Section 4: Fundamentals of Biological Engineering

To obtain a 100 Kg of 40 % N2 solution, how much nitrogen must be added to a 20% nitrogen solution?

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#Question id: 27054

#Section 4: Fundamentals of Biological Engineering

For the given distillation column 1000 Kg of feed is given to the column and the efficiency of the column is 10%.  What is the amount of product?   

    

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#Question id: 27055

#Section 4: Fundamentals of Biological Engineering

What is the enthalpy of 150 g formic acid at 70°C and 1 atm relative to 25°C  and 1 atm? 

(Cp for formic acid is 0.524 cal g-1 °C-1)